Polish GHA config

[Goooler]

Checklist

• [x] I read the Contribution Guidelines
• [x] I signed the CLA and WG Agreements
• [ ] I ran, updated and added unit tests as necessary.
• [x] I verified the contribution matches existing coding style.
• [ ] I updated the documentation if necessary.

Motivation and Context

• Bump actions, some of them are deprecated.
• Use more gradle/gradle-build-action@v2 to cache Gradle.